Collection: Furnace Filters
Furnace filters trap dust and allergens to keep your air clean and system running efficiently.
Shop easy-to-install filters for better airflow and everyday home comfort.
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Filter King 37.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 37.5 x 10 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x56x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 56 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 39.5x23.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 39.5 x 23.5 x .75)
Regular price $215.36 USDRegular priceSale price $215.36 USD -
Filter King 7.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7.5 x 10 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 6.5x51.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 51.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9.5x37.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 37.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 9.5x18.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9.5 x 18.5 x .75)
Regular price $105.66 USDRegular priceSale price $105.66 USD -
Filter King 6.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 6.5 x 10 x .75)
Regular price $106.50 USDRegular priceSale price $106.50 USD -
Filter King 9x13x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 13 x .75)
Regular price $116.48 USDRegular priceSale price $116.48 USD -
Filter King 36.5x10x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 36.5 x 10 x .75)
Regular price $100.80 USDRegular priceSale price $100.80 USD -
Filter King 5.5x40.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 5.5 x 40.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 8x60.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 8 x 60.5 x .75)
Regular price $142.08 USDRegular priceSale price $142.08 USD -
Filter King 9x39x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 9 x 39 x .75)
Regular price $127.23 USDRegular priceSale price $127.23 USD -
Filter King 7x49.5x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 7 x 49.5 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 4.5x51x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 4.5 x 51 x .75)
Regular price $115.39 USDRegular priceSale price $115.39 USD -
Filter King 40x16x1 Air Filter (MERV 8) (4-Pack) Dust & Allergy Control AC Furnace Filters, MADE IN USA, HVAC, Pleated, Electrostatic (Actual Size: 40 x 16 x .75)
Regular price $166.08 USDRegular priceSale price $166.08 USD